Embibe Experts Solutions for Chapter: Metals and Metallurgy, Exercise 1: Chattisgarh Board-2019

Which among the following is the most reactive metal?

_____ is the formula of Haematite ore.

$\mathrm{A}: \mathrm{FeO} \mathrm{B}: {\mathrm{Fe}}_2{\mathrm{O}}_3 \mathrm{C}: {\mathrm{Fe}}_3{\mathrm{O}}_4$ (Enter your correct answer as $\mathrm{A}, \mathrm{B}$ or $\mathrm{C}$) 

 Write differences between mineral and ore with example.(any three) 
 

What is corrosion? Write any three methods to prevent corrosion.
 

Fill in the blank: 

The process of heating an ore at a temperature a little below its melting point in the absence of air is called _____.

Fill in the blanks: 
Alloys are a _____ mixture of two or more metals or metals and non-metals.
 

What is rust? Write chemical equation of rusting. 

Write any three measures to prevent rusting.